/* ============================================================
   style.css — Darul Musthofa
   Global stylesheet: reset, variabel tema, layout, komponen,
   header/nav, footer, float WA, flash, utilities.
   Tanpa framework. Modern CSS (clamp, backdrop-filter, gap).
   ============================================================ */

/* ============================================================
   1. CSS VARIABLES (TEMA)
   ============================================================ */
:root {
    /* Warna utama (emerald) */
    --warna-utama:        #0F6E4E;
    --warna-utama-dark:   #0A5239;
    --warna-utama-light:  #1B8A65;

    /* Warna aksen (emas) */
    --warna-aksen:        #C9A14A;
    --warna-aksen-dark:   #A8843A;
    --warna-aksen-light:  #DBB668;

    /* Netral */
    --bg:                 #FFFFFF;
    --bg-soft:            #FAF8F3;
    --text:               #1A1A1A;
    --text-muted:         #6B6B6B;
    --border:             #E5E5E5;

    /* Status (untuk flash, badge, dll) */
    --sukses:             #2E7D32;
    --sukses-bg:          #E8F5E9;
    --error:              #C62828;
    --error-bg:           #FFEBEE;
    --warning:            #EF6C00;
    --warning-bg:         #FFF3E0;
    --info:               #1565C0;
    --info-bg:            #E3F2FD;

    /* Tipografi */
    --font-heading:       'Fraunces', Georgia, serif;
    --font-body:          'Inter', system-ui, -apple-system, sans-serif;
    --font-arab:          'Amiri', serif;

    /* Bentuk */
    --radius-sm:          8px;
    --radius:             12px;
    --radius-lg:          20px;
    --shadow-sm:          0 2px 8px rgba(0,0,0,.06);
    --shadow:             0 8px 24px rgba(0,0,0,.08);
    --shadow-lg:          0 16px 48px rgba(15,110,78,.12);

    /* Layout */
    --container:          1200px;
    --header-height:      72px;

    /* Transisi */
    --transisi:           0.25s ease;
}

/* ============================================================
   2. RESET MODERN
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: 0;
    cursor: pointer;
}

a {
    color: var(--warna-utama);
    text-decoration: none;
    transition: color var(--transisi);
}
a:hover { color: var(--warna-utama-dark); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.5rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.5rem); }
h3 { font-size: clamp(1.25rem, 1vw + 1rem, 1.75rem); }
h4 { font-size: 1.25rem; }

ul, ol { padding-left: 1.5rem; }

::selection { background: var(--warna-utama); color: #fff; }

:focus-visible {
    outline: 3px solid var(--warna-aksen);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ============================================================
   3. UTILITIES & LAYOUT
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.25rem;
}

.section { padding-block: clamp(3rem, 6vw, 5rem); }
.section-soft { background: var(--bg-soft); }

.section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
}

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.text-aksen  { color: var(--warna-aksen-dark); }
.text-utama  { color: var(--warna-utama); }
.arab        { font-family: var(--font-arab); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link (a11y) */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--warna-utama);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0 0 var(--radius-sm) 0;
    z-index: 9999;
    font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

/* ============================================================
   4. BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform var(--transisi), box-shadow var(--transisi), background var(--transisi);
    text-decoration: none;
    line-height: 1.2;
    border: 2px solid transparent;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--warna-utama);
    color: #fff;
}
.btn-primary:hover {
    background: var(--warna-utama-dark);
    color: #fff;
}

.btn-aksen {
    background: var(--warna-aksen);
    color: #1A1A1A;
}
.btn-aksen:hover {
    background: var(--warna-aksen-dark);
    color: #1A1A1A;
}

.btn-outline {
    background: transparent;
    border-color: var(--warna-utama);
    color: var(--warna-utama);
}
.btn-outline:hover {
    background: var(--warna-utama);
    color: #fff;
}

.btn-block { display: flex; width: 100%; }
.btn-lg    { padding: 1rem 2rem; font-size: 1.05rem; }

/* ============================================================
   5. CARDS & BADGE
   ============================================================ */
.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: transform var(--transisi), box-shadow var(--transisi);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--warna-aksen-light);
    color: var(--warna-utama-dark);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-utama {
    background: var(--warna-utama);
    color: #fff;
}

/* ============================================================
   6. HEADER & NAVIGASI
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: box-shadow var(--transisi);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: 1rem;
}

.brand img {
    height: 44px;
    width: auto;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.85rem;
    color: var(--text);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background var(--transisi), color var(--transisi);
}
.nav-link:hover {
    background: var(--bg-soft);
    color: var(--warna-utama);
}
.nav-link.active {
    color: var(--warna-utama);
    background: rgba(15,110,78,0.08);
}

.nav-cta {
    margin-left: 0.5rem;
    padding: 0.6rem 1.25rem !important;
    font-size: 0.9rem;
}

/* Hamburger (default disembunyikan, tampil di mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transisi), opacity var(--transisi);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   7. FOOTER
   ============================================================ */
.site-footer {
    background: var(--warna-utama-dark);
    color: rgba(255,255,255,0.85);
    padding: 4rem 0 1.5rem;
    margin-top: 5rem;
}

.site-footer h4 {
    color: #fff;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-family: var(--font-body);
}

.site-footer a {
    color: rgba(255,255,255,0.85);
}
.site-footer a:hover {
    color: var(--warna-aksen-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.3fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
    max-width: 200px;
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

.footer-col ul,
.footer-sosmed,
.footer-contact,
.footer-jadwal {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-contact li,
.footer-jadwal li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
}
.footer-contact .ic { flex-shrink: 0; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* ============================================================
   8. FLOAT WHATSAPP
   ============================================================ */
.float-wa {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37,211,102,0.4);
    z-index: 99;
    transition: transform var(--transisi);
    animation: pulse-wa 2s infinite;
}
.float-wa:hover {
    transform: scale(1.08);
    color: #fff;
}

@keyframes pulse-wa {
    0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,0.4); }
    50%      { box-shadow: 0 8px 24px rgba(37,211,102,0.8), 0 0 0 12px rgba(37,211,102,0); }
}

@media (prefers-reduced-motion: reduce) {
    .float-wa { animation: none; }
    * { scroll-behavior: auto !important; }
}

/* ============================================================
   9. FLASH MESSAGE
   ============================================================ */
.flash {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    font-weight: 500;
}
.flash-sukses  { background: var(--sukses-bg);  border-color: var(--sukses);  color: var(--sukses); }
.flash-error   { background: var(--error-bg);   border-color: var(--error);   color: var(--error); }
.flash-warning { background: var(--warning-bg); border-color: var(--warning); color: var(--warning); }
.flash-info    { background: var(--info-bg);    border-color: var(--info);    color: var(--info); }

/* ============================================================
   10. RESPONSIVE — Mobile (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
    /* Hamburger tampil, menu jadi drawer */
    .nav-toggle { display: flex; }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .nav-menu.open {
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        box-shadow: var(--shadow);
    }
    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.25rem;
        gap: 0.25rem;
    }
    .nav-link {
        padding: 0.85rem 1rem;
        font-size: 1.05rem;
    }
    .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }

    .brand img { height: 36px; }

    /* Footer jadi 1 kolom */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Float WA sedikit lebih kecil */
    .float-wa {
        width: 52px;
        height: 52px;
        right: 1rem;
        bottom: 1rem;
    }
}

/* ============================================================
   11. PRINT
   ============================================================ */
@media print {
    .site-header,
    .site-footer,
    .float-wa,
    .nav-toggle { display: none !important; }

    body { color: #000; background: #fff; }
    a    { text-decoration: underline; }
}